{"data":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-17T05:35:58.500035+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"1513710","name":"Mine #1"},"operator":{"type":"operator","id":"P16296","name":"K A M Coal Company Inc"},"controller":{"type":"controller","id":"C11594","name":"Kalish Marc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13882","name":"Lake City Enterprises Inc"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1982-09-01","validTo":"1984-07-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P13882|1982-09-01|1984-07-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08859","name":"Reese Thomas L"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1982-09-01","validTo":"1984-07-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|C08859|1982-09-01|1984-07-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08859","name":"Reese Thomas L"},"object":{"type":"operator","id":"P13882","name":"Lake City Enterprises Inc"},"validFrom":"1982-09-01","validTo":"1984-07-16","current":false,"derived":true,"evidenceMineId":"1513710","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P13882|1982-09-01|C08859|1982-09-01|78337"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15955","name":"Monteray Mining Company Inc"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1984-07-17","validTo":"1984-12-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P15955|1984-07-17|1984-12-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09232","name":"Simpson Daniel"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1984-07-17","validTo":"1984-12-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|C09232|1984-07-17|1984-12-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09232","name":"Simpson Daniel"},"object":{"type":"operator","id":"P15955","name":"Monteray Mining Company Inc"},"validFrom":"1984-07-17","validTo":"1984-12-25","current":false,"derived":true,"evidenceMineId":"1513710","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P15955|1984-07-17|C09232|1984-07-17|79161"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16296","name":"K A M Coal Company Inc"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1984-12-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P16296|1984-12-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11594","name":"Kalish Marc"},"object":{"type":"mine","id":"1513710","name":"Mine #1"},"validFrom":"1984-12-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|C11594|1984-12-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11594","name":"Kalish Marc"},"object":{"type":"operator","id":"P16296","name":"K A M Coal Company Inc"},"validFrom":"1984-12-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513710","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1513710|P16296|1984-12-26|C11594|1984-12-26|84958"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513710","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}